| Threat Alias | Number of Incidents |
| Trojan-Spy.Win32.Zbot.gen [Kaspersky Lab] | 1,104 |
| PWS:Win32/Zbot.gen!R [Microsoft] | 714 |
| Trojan.Zbot [PC Tools] | 486 |
| Mal/Generic-A [Sophos] | 439 |
| Mal/Zbot-O [Sophos] | 401 |
| Trojan.Zbot!gen3 [Symantec] | 358 |
| Mal/EncPk-LE [Sophos] | 340 |
| Packed.Generic.232 [Symantec] | 338 |
| Trojan-Spy.Win32.Zbot [Ikarus] | 298 |
| Trojan.FakeAV [Symantec] | 289 |
| Trojan.FakeAV [PC Tools] | 288 |
| Trojan-Spy.Win32.Zbot.aduq [Kaspersky Lab] | 288 |
| Infostealer.Banker.C [Symantec] | 238 |
| Spy-Agent.bw.gen.e [McAfee] | 196 |
| PWS:Win32/Zbot.PG [Microsoft] | 182 |
| HeurEngine.MaliciousPacker [PC Tools] | 176 |
| Trojan.Zbot!gen2 [Symantec] | 150 |
| Trojan Horse [Symantec] | 135 |
| PWS:Win32/Zbot.gen!W [Microsoft] | 123 |
| Generic PWS.y!bni [McAfee] | 110 |
| Win-Trojan/Zbot.139776.B [AhnLab] | 110 |
| PWS:Win32/Zbot.J [Microsoft] | 97 |
| Win32/IRCBot.worm.variant [AhnLab] | 89 |
| TSPY_ZBOT.SMJB [Trend Micro] | 81 |
| PWS:Win32/Zbot [Microsoft] | 69 |
| PWS-Zbot.gen.x [McAfee] | 62 |
| Trojan-PSW.Banker [PC Tools] | 62 |
| PWS:Win32/Zbot.M [Microsoft] | 60 |
| Trojan.Generic [PC Tools] | 58 |
| Infostealer [Symantec] | 51 |
| Mal/Behav-353, Mal/EncPk-LE [Sophos] | 50 |
| Packed.Win32.Krap.ae [Kaspersky Lab] | 50 |
| Trojan.Zbot [Symantec] | 46 |
| Packed.Win32.Krap [Ikarus] | 43 |
| Spy-Agent.bw.gen.d [McAfee] | 41 |
| Mal/Zbot-I [Sophos] | 39 |
| Packed.Win32.Krap.w [Kaspersky Lab] | 38 |
| PWS:Win32/Zbot.I [Microsoft] | 37 |
| Mal/EncPk-CZ [Sophos] | 35 |
| Mal/Zbot-O, Mal/EncPk-CZ [Sophos] | 34 |
| PWS.Win32 [Ikarus] | 32 |
| Downloader.Delphi [Ikarus] | 28 |
| Mal/EncPk-LE, Mal/Behav-353 [Sophos] | 28 |
| Trojan:Win32/Meredrop [Microsoft] | 28 |
| Infostealer.Bancos [Symantec] | 27 |
| Suspicious.MH690 [Symantec] | 27 |
| Trojan.Win32.Regrun [Ikarus] | 27 |
| PWS-Zbot [McAfee] | 23 |
| Packed.Generic.233 [Symantec] | 22 |
| VirTool:Win32/VBInject.gen!CE [Microsoft] | 22 |
| PWS:Win32/Zbot.PJ [Microsoft] | 21 |
| PWS:Win32/Zbot.RS [Microsoft] | 21 |
| Spy-Agent.eh [McAfee] | 21 |
| Troj/Zbot-DX [Sophos] | 21 |
| BackDoor-DKI.gen.bf [McAfee] | 20 |
| Mal/Zbot-P [Sophos] | 20 |
| Mal/EncPk-KI [Sophos] | 19 |
| Generic PWS.y!brd [McAfee] | 18 |
| Trojan-Banker.Win32.Bancos [Ikarus] | 18 |
| Generic PWS.cf [McAfee] | 17 |
| Mal/EncPk-HZ [Sophos] | 16 |
| PWS:Win32/Zbot.PI [Microsoft] | 16 |
| Trojan.Win32.FakeXPA [Ikarus] | 16 |
| Trojan.Win32.Scar.ayhb [Kaspersky Lab] | 16 |
| W32/Sdbot.worm.gen.ax [McAfee] | 16 |
| Mal/Behav-353 [Sophos] | 15 |
| Mal/EncPk-IF [Sophos] | 15 |
| Mal/FakeAV-AX [Sophos] | 15 |
| Troj/Zbot-HJ [Sophos] | 15 |
| Backdoor.Trojan [Symantec] | 14 |
| Mal/WaledPak-A [Sophos] | 14 |
| Trojan-PSW.Bancos [PC Tools] | 14 |
| Trojan-Spy.Zbot [Ikarus] | 14 |
| Mal/EncPk-HJ [Sophos] | 13 |
| Mal/Zbot-Q [Sophos] | 13 |
| Packed.Win32.Krap.ah [Kaspersky Lab] | 13 |
| Trojan.Win32.Zbot [Ikarus] | 13 |
| Trojan-PSW.Generic [PC Tools] | 13 |
| Mal/Generic-A, Mal/EncPk-LE [Sophos] | 12 |
| Trojan.Win32.VBKrypt [Ikarus] | 12 |
| Win-Trojan/MalCrypted.Gen [AhnLab] | 12 |
| Mal/Behav-043 [Sophos] | 11 |
| Packed.Win32.Krap.ar [Kaspersky Lab] | 11 |
| Trojan-Dropper.Win32.Wlord.gen [Kaspersky Lab] | 11 |
| VirTool:Win32/VBInject.gen!CN [Microsoft] | 11 |
| Backdoor.Trojan [PC Tools] | 10 |
| Generic PWS.y!bxo [McAfee] | 10 |
| Mal/EncPk-KH [Sophos] | 10 |
| PWS-Zbot.gen.al [McAfee] | 10 |
| Trojan.Win32.Scar [Ikarus] | 10 |
| Trojan:Win32/Malagent [Microsoft] | 10 |
| Trojan-Ransom [Ikarus] | 10 |
| Trojan-Ransom.Win32.BlueScreen.gc [Kaspersky Lab] | 10 |
| Win-Trojan/Buzus.73728.AB [AhnLab] | 10 |
| Mal/EncPk-KD [Sophos] | 9 |
| Mal/EncPk-KP [Sophos] | 9 |
| Trojan-Downloader.Win32.Piker [Ikarus] | 9 |
| Win-Trojan/Zbot.113152.B [AhnLab] | 9 |
| FakeAlert-DA [McAfee] | 8 |
| Generic PWS.y!byc [McAfee] | 8 |